condition mean min max 3 h after light 6.311471666666667 4.41305 9.51636 7 h after light 4.962214166666667 3.78361 6.34729 11 h after light 6.930375 5.19927 8.6348 2 h after dark 12.3420975 8.57762 19.7235 6 h after dark 9.9795575 6.75426 14.1836 10 h after dark 9.014385833333334 4.69264 12.3867